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May

Cayo Guillermo Weather in May with Sea Temperature

May weather in Cayo Guillermo includes average daytime air +32°C, nighttime +24°C, average sea temperature +30°C. Daily water temperatures usually range from +27°C to +28°C, which is comfortable for swimming and beach planning. The tables below also show air temperature, wind, rain and humidity; for near-term water data, open the current 30-day water temperature forecast.

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Averaged values across several years

Daily air temperature for the month

Day Night

Daily sea water temperature for the month

Water

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May	Day	Night	Sea t°	Wind	Precip	Humidity
1Thu	+32°C	+22°C	+27°C	3 m/s	0.1 mm	70%
2Fri	+32°C	+22°C	+27°C	3 m/s	0.1 mm	70%
3Sat	+32°C	+23°C	+27°C	3 m/s	0.2 mm	69%
4Sun	+33°C	+24°C	+27°C	2 m/s	0.6 mm	70%
5Mon	+33°C	+23°C	+27°C	2 m/s	0.1 mm	71%
6Tue	+33°C	+24°C	+27°C	3 m/s	0 mm	71%
7Wed	+33°C	+23°C	+27°C	3 m/s	0.5 mm	70%
8Thu	+32°C	+22°C	+27°C	3 m/s	0.3 mm	71%
9Fri	+33°C	+24°C	+27°C	3 m/s	0.4 mm	71%
10Sat	+32°C	+23°C	+27°C	3 m/s	0.5 mm	72%
11Sun	+32°C	+23°C	+27°C	3 m/s	1.1 mm	70%
12Mon	+32°C	+23°C	+27°C	3 m/s	0.3 mm	71%
13Tue	+32°C	+24°C	+27°C	3 m/s	0.4 mm	73%
14Wed	+32°C	+24°C	+27°C	3 m/s	2.5 mm	73%
15Thu	+31°C	+24°C	+27°C	3 m/s	1.3 mm	75%
16Fri	+32°C	+24°C	+27°C	3 m/s	1.2 mm	74%
17Sat	+31°C	+24°C	+27°C	3 m/s	0.2 mm	73%
18Sun	+32°C	+24°C	+27°C	2 m/s	1.3 mm	73%
19Mon	+32°C	+24°C	+27°C	3 m/s	1.9 mm	73%
20Tue	+32°C	+24°C	+27°C	3 m/s	0.6 mm	75%
21Wed	+32°C	+24°C	+27°C	3 m/s	0.5 mm	72%
22Thu	+33°C	+23°C	+28°C	3 m/s	1.2 mm	70%
23Fri	+32°C	+23°C	+28°C	3 m/s	0.4 mm	71%
24Sat	+32°C	+23°C	+28°C	3 m/s	0.8 mm	72%
25Sun	+32°C	+24°C	+28°C	3 m/s	0.7 mm	74%
26Mon	+32°C	+24°C	+28°C	3 m/s	0.3 mm	72%
27Tue	+32°C	+24°C	+28°C	3 m/s	0.2 mm	72%
28Wed	+32°C	+24°C	+28°C	3 m/s	0.3 mm	72%
29Thu	+32°C	+24°C	+28°C	2 m/s	1.2 mm	71%
30Fri	+32°C	+24°C	+28°C	3 m/s	1.2 mm	72%
31Sat	+32°C	+24°C	+28°C	2 m/s	1.2 mm	76%

Sea water temperature by months

Water +27°C

Day and night air temperature

Day +32°C Night +24°C

Weather highs and lows in Cayo Guillermo for may

Warmest day: 6 may, +33°C
Coldest night: 2 may, +22°C
Max precipitation: 14 may, 2.5 mm
Warmest sea water: 22 may, +28°C
Coldest sea water: 1 may, +27°C

Climate in Cayo Guillermo in may

Average daytime temperature: +32°C
Average nighttime temperature: +24°C
Sea water temperature: +30°C
Precipitation (monthly average): 21.5 mm
Days with precipitation: 6.6
Humidity: 72%
Wind: 3 m/s
Data: 7 years / coverage 100%

Daily air temperature for the month

Day Night

Daily sea water temperature for the month

Water

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May	Day	Night	Sea t°	Wind	Precip	Humidity
1Thu	+31°C	+19°C	+27°C	4-5 m/s, SE	0 mm	68%
2Fri	+31°C	+19°C	+27°C	3-4 m/s, SSE	0.1 mm	65%
3Sat	+32°C	+22°C	+27°C	3-4 m/s, S	0 mm	67%
4Sun	+32°C	+22°C	+27°C	2-3 m/s, SSW	0.1 mm	76%
5Mon	+32°C	+23°C	+27°C	2 m/s, SSE	0 mm	78%
6Tue	+34°C	+23°C	+27°C	3-4 m/s, SE	0.1 mm	72%
7Wed	+36°C	+21°C	+27°C	3-4 m/s, SE	0 mm	68%
8Thu	+32°C	+21°C	+27°C	3-4 m/s, SSE	0 mm	68%
9Fri	+33°C	+22°C	+27°C	3-4 m/s, SSE	0 mm	74%
10Sat	+33°C	+23°C	+27°C	3-4 m/s, S	0.2 mm	76%
11Sun	+33°C	+23°C	+27°C	2-3 m/s, S	0.5 mm	72%
12Mon	+33°C	+23°C	+27°C	2 m/s, S	0 mm	79%
13Tue	+33°C	+23°C	+27°C	1-2 m/s, SSE	0.8 mm	75%
14Wed	+34°C	+23°C	+27°C	2-3 m/s, E	0.3 mm	73%
15Thu	+33°C	+24°C	+27°C	2-3 m/s, ESE	0 mm	79%
16Fri	+36°C	+22°C	+27°C	3-4 m/s, E	0 mm	72%
17Sat	+33°C	+22°C	+27°C	3-4 m/s, ESE	0 mm	73%
18Sun	+35°C	+22°C	+27°C	3-4 m/s, SSE	0 mm	73%
19Mon	+35°C	+22°C	+27°C	3 m/s, S	0 mm	72%
20Tue	+32°C	+24°C	+27°C	3-4 m/s, SSW	0 mm	77%
21Wed	+34°C	+26°C	+27°C	2-4 m/s, SSW	0 mm	71%
22Thu	+37°C	+24°C	+28°C	2-3 m/s, SSW	0 mm	65%
23Fri	+34°C	+23°C	+28°C	2-3 m/s, SSW	0.1 mm	76%
24Sat	+35°C	+23°C	+28°C	2-3 m/s, SE	0.2 mm	74%
25Sun	+35°C	+24°C	+28°C	3-4 m/s, SSE	0 mm	70%
26Mon	+34°C	+25°C	+28°C	3-4 m/s, SSE	0 mm	69%
27Tue	+35°C	+24°C	+28°C	3-4 m/s, SSE	0 mm	70%
28Wed	+35°C	+24°C	+28°C	2-3 m/s, S	0 mm	72%
29Thu	+34°C	+24°C	+28°C	2-3 m/s, SSE	0 mm	71%
30Fri	+34°C	+24°C	+28°C	3 m/s, SSW	0 mm	70%
31Sat	+33°C	+25°C	+28°C	2-4 m/s, SW	0 mm	79%

Weather highs and lows in Cayo Guillermo for may

Warmest day: 22 may, +37°C
Coldest night: 1 may, +19°C
Max precipitation: 13 may, 0.8 mm
Warmest water: 22 may, +28°C
Coldest water: 1 may, +27°C

Climate in Cayo Guillermo in may

Year: 2025
Average daytime temperature: +34°C
Average nighttime temperature: +23°C
Water temperature: +27°C
Precipitation (month): 2.4 mm
Days with precipitation: 0
Humidity: 72%
Wind: 3 m/s

Daily air temperature for the month

Day Night

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May	Day	Night	Sea t°	Wind	Precip	Humidity
1Wed	+31°C	+22°C	—	2-3 m/s, S	0 mm	71%
2Thu	+31°C	+22°C	—	3-4 m/s, ESE	0.5 mm	71%
3Fri	+32°C	+22°C	—	4-5 m/s, E	0.2 mm	69%
4Sat	+32°C	+22°C	—	4-5 m/s, E	0.1 mm	69%
5Sun	+32°C	+22°C	—	4 m/s, SE	0.1 mm	72%
6Mon	+32°C	+22°C	—	3-4 m/s, SE	0 mm	74%
7Tue	+33°C	+23°C	—	3-4 m/s, SSE	0.1 mm	75%
8Wed	+32°C	+23°C	—	3-4 m/s, SE	0.1 mm	73%
9Thu	+33°C	+23°C	—	3-4 m/s, SSE	0 mm	68%
10Fri	+33°C	+24°C	—	3-5 m/s, SSW	0 mm	69%
11Sat	+33°C	+24°C	—	2-4 m/s, SW	0.1 mm	71%
12Sun	+34°C	+25°C	—	2-3 m/s, SSW	0 mm	68%
13Mon	+34°C	+26°C	—	3-5 m/s, S	0 mm	65%
14Tue	+34°C	+25°C	—	3-5 m/s, S	0 mm	68%
15Wed	+33°C	+25°C	—	4-6 m/s, SSW	0 mm	71%
16Thu	+34°C	+24°C	—	3-5 m/s, SSW	0 mm	70%
17Fri	+34°C	+25°C	—	3-6 m/s, SSW	0 mm	70%
18Sat	+35°C	+26°C	—	3-5 m/s, S	0.1 mm	73%
19Sun	+34°C	+25°C	—	3-4 m/s, SW	0 mm	69%
20Mon	+33°C	+23°C	—	3-6 m/s, SW	3.9 mm	73%
21Tue	+33°C	+23°C	—	2-3 m/s, W	2.3 mm	68%
22Wed	+33°C	+23°C	—	2-5 m/s, NE	6 mm	69%
23Thu	+33°C	+23°C	—	2-3 m/s, ENE	0.1 mm	67%
24Fri	+33°C	+23°C	—	2-3 m/s, WNW	0 mm	65%
25Sat	+32°C	+24°C	—	2-4 m/s, SSW	0 mm	70%
26Sun	+34°C	+25°C	—	3-4 m/s, SSW	0.1 mm	65%
27Mon	+34°C	+26°C	—	2-4 m/s, SSW	1.4 mm	64%
28Tue	+35°C	+24°C	—	2-3 m/s, NNE	0 mm	66%
29Wed	+34°C	+25°C	—	2-3 m/s, NNW	0.1 mm	65%
30Thu	+35°C	+24°C	—	2-3 m/s, E	2.3 mm	63%
31Fri	+35°C	+24°C	—	2-3 m/s, SE	0.7 mm	74%

Weather highs and lows in Cayo Guillermo for may

Warmest day: 18 may, +35°C
Coldest night: 1 may, +22°C
Max precipitation: 22 may, 6 mm
Warmest water: —
Coldest water: —

Climate in Cayo Guillermo in may

Year: 2024
Average daytime temperature: +33°C
Average nighttime temperature: +24°C
Water temperature: —
Precipitation (month): 18.2 mm
Days with precipitation: 5
Humidity: 69%
Wind: 3 m/s

Daily air temperature for the month

Day Night

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May	Day	Night	Sea t°	Wind	Precip	Humidity
1Mon	+31°C	+24°C	—	2-3 m/s, S	0 mm	74%
2Tue	+33°C	+23°C	—	3-4 m/s, SSW	0 mm	71%
3Wed	+34°C	+24°C	—	2-4 m/s, SW	0 mm	67%
4Thu	+34°C	+24°C	—	2 m/s, SSW	0 mm	66%
5Fri	+35°C	+23°C	—	2-3 m/s, S	0 mm	71%
6Sat	+34°C	+23°C	—	3-5 m/s, E	0 mm	69%
7Sun	+33°C	+23°C	—	4-6 m/s, ENE	0 mm	66%
8Mon	+32°C	+22°C	—	3-4 m/s, SSE	1.5 mm	71%
9Tue	+33°C	+23°C	—	2-3 m/s, SSE	0.1 mm	74%
10Wed	+33°C	+24°C	—	2 m/s, SSE	0.1 mm	70%
11Thu	+34°C	+24°C	—	3-5 m/s, SE	0.1 mm	73%
12Fri	+33°C	+23°C	—	3-4 m/s, ESE	0.3 mm	71%
13Sat	+32°C	+23°C	—	3-4 m/s, E	0 mm	75%
14Sun	+31°C	+23°C	—	2-3 m/s, SE	0.5 mm	78%
15Mon	+31°C	+23°C	—	2-3 m/s, SSE	0 mm	73%
16Tue	+33°C	+23°C	—	2-3 m/s, SSW	1 mm	73%
17Wed	+31°C	+23°C	—	3-4 m/s, SSW	0.2 mm	72%
18Thu	+32°C	+24°C	—	2-4 m/s, SSW	0.6 mm	73%
19Fri	+33°C	+24°C	—	2 m/s, SSW	1.7 mm	72%
20Sat	+34°C	+24°C	—	3-4 m/s, N	0 mm	72%
21Sun	+34°C	+23°C	—	3 m/s, NE	0.3 mm	73%
22Mon	+33°C	+23°C	—	2-4 m/s, SE	0.2 mm	72%
23Tue	+33°C	+23°C	—	2-3 m/s, SW	0 mm	69%
24Wed	+33°C	+23°C	—	3-4 m/s, SSW	3.1 mm	71%
25Thu	+31°C	+22°C	—	3-4 m/s, SSW	0.5 mm	73%
26Fri	+31°C	+23°C	—	3-5 m/s, SSW	0.2 mm	71%
27Sat	+33°C	+24°C	—	3-5 m/s, SSW	0 mm	70%
28Sun	+33°C	+24°C	—	2-3 m/s, SSW	0.5 mm	67%
29Mon	+33°C	+24°C	—	2-3 m/s, SSW	0.2 mm	68%
30Tue	+31°C	+24°C	—	3-4 m/s, S	0.2 mm	74%
31Wed	+31°C	+24°C	—	3-4 m/s, SSW	4.6 mm	71%

Weather highs and lows in Cayo Guillermo for may

Warmest day: 5 may, +35°C
Coldest night: 8 may, +22°C
Max precipitation: 31 may, 4.6 mm
Warmest water: —
Coldest water: —

Climate in Cayo Guillermo in may

Year: 2023
Average daytime temperature: +33°C
Average nighttime temperature: +23°C
Water temperature: —
Precipitation (month): 15.9 mm
Days with precipitation: 5
Humidity: 71%
Wind: 3 m/s

Daily air temperature for the month

Day Night

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May	Day	Night	Sea t°	Wind	Precip	Humidity
1Sun	+33°C	+21°C	—	3-4 m/s, SE	0 mm	63%
2Mon	+33°C	+21°C	—	3-4 m/s, ESE	0 mm	72%
3Tue	+34°C	+22°C	—	3-4 m/s, S	0.3 mm	66%
4Wed	+34°C	+23°C	—	1-2 m/s, NNE	0 mm	73%
5Thu	+34°C	+22°C	—	2 m/s, ESE	0 mm	66%
6Fri	+34°C	+23°C	—	2-3 m/s, SSW	0 mm	70%
7Sat	+33°C	+24°C	—	3-5 m/s, SSW	0.1 mm	70%
8Sun	+32°C	+23°C	—	3-5 m/s, SW	0.3 mm	74%
9Mon	+33°C	+24°C	—	2-3 m/s, SW	1.2 mm	72%
10Tue	+31°C	+22°C	—	3-4 m/s, NE	0.1 mm	68%
11Wed	+30°C	+20°C	—	4-6 m/s, N	0 mm	62%
12Thu	+31°C	+21°C	—	2-3 m/s, SSW	0 mm	65%
13Fri	+31°C	+21°C	—	3-4 m/s, S	0.4 mm	66%
14Sat	+32°C	+23°C	—	3-4 m/s, S	8.2 mm	71%
15Sun	+30°C	+23°C	—	3-4 m/s, SSW	5.5 mm	74%
16Mon	+28°C	+23°C	—	3 m/s, SSE	3.3 mm	77%
17Tue	+31°C	+23°C	—	3-4 m/s, SSW	0 mm	72%
18Wed	+31°C	+23°C	—	2 m/s, S	2.9 mm	72%
19Thu	+30°C	+24°C	—	2-4 m/s, S	0.1 mm	74%
20Fri	+33°C	+24°C	—	3-6 m/s, SE	0 mm	75%
21Sat	+34°C	+24°C	—	3 m/s, SSE	0 mm	74%
22Sun	+35°C	+24°C	—	3-4 m/s, SE	0 mm	74%
23Mon	+32°C	+23°C	—	3-4 m/s, ENE	2.4 mm	74%
24Tue	+30°C	+23°C	—	3 m/s, SSE	1.3 mm	81%
25Wed	+31°C	+23°C	—	4 m/s, SE	0.4 mm	79%
26Thu	+31°C	+23°C	—	3-4 m/s, SE	0 mm	75%
27Fri	+31°C	+23°C	—	2-3 m/s, SSW	0 mm	74%
28Sat	+31°C	+23°C	—	2-3 m/s, SSW	1.4 mm	71%
29Sun	+32°C	+23°C	—	2-3 m/s, ESE	5.9 mm	66%
30Mon	+33°C	+23°C	—	3-4 m/s, E	0 mm	70%
31Tue	+30°C	+23°C	—	3-4 m/s, ESE	0 mm	78%

Weather highs and lows in Cayo Guillermo for may

Warmest day: 22 may, +35°C
Coldest night: 11 may, +20°C
Max precipitation: 14 may, 8.2 mm
Warmest water: —
Coldest water: —

Climate in Cayo Guillermo in may

Year: 2022
Average daytime temperature: +32°C
Average nighttime temperature: +23°C
Water temperature: —
Precipitation (month): 33.8 mm
Days with precipitation: 9
Humidity: 72%
Wind: 3 m/s

Daily air temperature for the month

Day Night

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May	Day	Night	Sea t°	Wind	Precip	Humidity
1Sat	+33°C	+24°C	—	3-4 m/s, S	0 mm	65%
2Sun	+33°C	+23°C	—	4-5 m/s, S	0 mm	63%
3Mon	+32°C	+25°C	—	3-5 m/s, S	0 mm	69%
4Tue	+32°C	+25°C	—	3-5 m/s, S	1.7 mm	68%
5Wed	+33°C	+25°C	—	2-3 m/s, S	0.3 mm	68%
6Thu	+34°C	+24°C	—	3-4 m/s, S	0 mm	65%
7Fri	+33°C	+23°C	—	2-3 m/s, SSW	3 mm	70%
8Sat	+32°C	+22°C	—	2 m/s, ESE	0 mm	66%
9Sun	+32°C	+23°C	—	3-4 m/s, SE	0 mm	66%
10Mon	+32°C	+23°C	—	4 m/s, SSE	0 mm	67%
11Tue	+33°C	+24°C	—	3-4 m/s, SE	0.1 mm	68%
12Wed	+33°C	+24°C	—	3 m/s, S	0.2 mm	69%
13Thu	+32°C	+25°C	—	2-3 m/s, SSE	0 mm	74%
14Fri	+33°C	+25°C	—	2-3 m/s, NNE	0.1 mm	66%
15Sat	+31°C	+24°C	—	4-5 m/s, NE	0.5 mm	74%
16Sun	+30°C	+23°C	—	4-5 m/s, ENE	0.2 mm	76%
17Mon	+30°C	+23°C	—	3-4 m/s, ESE	0 mm	75%
18Tue	+30°C	+23°C	—	3-4 m/s, SE	1.8 mm	74%
19Wed	+30°C	+23°C	—	3 m/s, SE	5.5 mm	76%
20Thu	+28°C	+23°C	—	5-6 m/s, E	0 mm	82%
21Fri	+28°C	+23°C	—	6-8 m/s, ENE	0.2 mm	76%
22Sat	+29°C	+22°C	—	5-7 m/s, ENE	0 mm	63%
23Sun	+30°C	+22°C	—	4-6 m/s, ENE	0 mm	65%
24Mon	+30°C	+21°C	—	4-5 m/s, E	0.3 mm	65%
25Tue	+31°C	+23°C	—	4-6 m/s, E	0.3 mm	72%
26Wed	+32°C	+23°C	—	4-5 m/s, E	0.1 mm	72%
27Thu	+31°C	+22°C	—	3-4 m/s, E	0.3 mm	71%
28Fri	+31°C	+23°C	—	3 m/s, ESE	0 mm	70%
29Sat	+32°C	+23°C	—	2-3 m/s, SSE	1.6 mm	69%
30Sun	+31°C	+24°C	—	2-3 m/s, S	3.6 mm	73%
31Mon	+32°C	+22°C	—	2-4 m/s, E	1.3 mm	73%

Weather highs and lows in Cayo Guillermo for may

Warmest day: 6 may, +34°C
Coldest night: 24 may, +21°C
Max precipitation: 19 may, 5.5 mm
Warmest water: —
Coldest water: —

Climate in Cayo Guillermo in may

Year: 2021
Average daytime temperature: +31°C
Average nighttime temperature: +23°C
Water temperature: —
Precipitation (month): 21.1 mm
Days with precipitation: 7
Humidity: 70%
Wind: 3 m/s

Daily air temperature for the month

Day Night

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May	Day	Night	Sea t°	Wind	Precip	Humidity
1Fri	+32°C	+24°C	—	2-3 m/s, SSE	0.8 mm	73%
2Sat	+31°C	+23°C	—	4-5 m/s, ENE	0 mm	75%
3Sun	+30°C	+23°C	—	4-5 m/s, ENE	0.6 mm	74%
4Mon	+33°C	+23°C	—	2-4 m/s, ENE	0.1 mm	65%
5Tue	+33°C	+23°C	—	3 m/s, SSE	0 mm	66%
6Wed	+32°C	+25°C	—	2-3 m/s, SSW	0 mm	70%
7Thu	+32°C	+23°C	—	3-4 m/s, SW	0 mm	70%
8Fri	+33°C	+22°C	—	4 m/s, SSE	0 mm	72%
9Sat	+32°C	+25°C	—	2-3 m/s, SE	1.6 mm	71%
10Sun	+27°C	+23°C	—	3 m/s, SE	2.7 mm	83%
11Mon	+29°C	+23°C	—	2-3 m/s, SE	6.6 mm	75%
12Tue	+29°C	+23°C	—	4-5 m/s, ESE	1.7 mm	77%
13Wed	+29°C	+24°C	—	4 m/s, ESE	1.6 mm	81%
14Thu	+29°C	+23°C	—	3-4 m/s, E	8.6 mm	82%
15Fri	+30°C	+23°C	—	4-6 m/s, SSW	0.2 mm	79%
16Sat	+30°C	+25°C	—	4-5 m/s, SSW	0.7 mm	75%
17Sun	+31°C	+25°C	—	3-4 m/s, S	0 mm	75%
18Mon	+31°C	+24°C	—	2-3 m/s, SSW	0 mm	74%
19Tue	+29°C	+25°C	—	3-4 m/s, S	4.3 mm	80%
20Wed	+31°C	+25°C	—	3-4 m/s, SSW	0.1 mm	76%
21Thu	+32°C	+25°C	—	2 m/s, ESE	0.7 mm	73%
22Fri	+30°C	+23°C	—	3-4 m/s, E	2.2 mm	77%
23Sat	+30°C	+22°C	—	3 m/s, ESE	0.2 mm	76%
24Sun	+29°C	+24°C	—	3-4 m/s, S	0.9 mm	72%
25Mon	+30°C	+25°C	—	4-5 m/s, SSE	2.1 mm	75%
26Tue	+31°C	+25°C	—	3-5 m/s, S	0.4 mm	78%
27Wed	+32°C	+24°C	—	1-2 m/s, ESE	0 mm	78%
28Thu	+31°C	+25°C	—	3-4 m/s, E	0 mm	79%
29Fri	+30°C	+24°C	—	3-4 m/s, E	0 mm	80%
30Sat	+31°C	+24°C	—	3 m/s, SE	1.5 mm	79%
31Sun	+30°C	+25°C	—	2-4 m/s, SSE	1.4 mm	78%

Weather highs and lows in Cayo Guillermo for may

Warmest day: 4 may, +33°C
Coldest night: 8 may, +22°C
Max precipitation: 14 may, 8.6 mm
Warmest water: —
Coldest water: —

Climate in Cayo Guillermo in may

Year: 2020
Average daytime temperature: +31°C
Average nighttime temperature: +24°C
Water temperature: —
Precipitation (month): 39 mm
Days with precipitation: 11
Humidity: 75%
Wind: 3 m/s

Daily air temperature for the month

Day Night

Tap a date to open detailed weather for that day

May	Day	Night	Sea t°	Wind	Precip	Humidity
1Wed	+31°C	+23°C	—	3 m/s, S	0 mm	73%
2Thu	+32°C	+24°C	—	2-3 m/s, SSE	0 mm	72%
3Fri	+32°C	+25°C	—	3-4 m/s, SE	0 mm	74%
4Sat	+32°C	+26°C	—	2-3 m/s, SSE	2.1 mm	74%
5Sun	+31°C	+25°C	—	2-3 m/s, S	0.1 mm	77%
6Mon	+33°C	+25°C	—	2-3 m/s, NNE	0.2 mm	74%
7Tue	+33°C	+25°C	—	3-4 m/s, ENE	0 mm	73%
8Wed	+33°C	+24°C	—	3 m/s, E	0 mm	72%
9Thu	+33°C	+25°C	—	3-4 m/s, SE	0 mm	71%
10Fri	+33°C	+25°C	—	3 m/s, SE	0.1 mm	70%
11Sat	+32°C	+25°C	—	3-4 m/s, SSE	0 mm	71%
12Sun	+32°C	+25°C	—	3-4 m/s, S	0 mm	71%
13Mon	+31°C	+25°C	—	3-5 m/s, S	0 mm	73%
14Tue	+32°C	+25°C	—	3-5 m/s, S	0 mm	73%
15Wed	+31°C	+26°C	—	2-3 m/s, S	3 mm	76%
16Thu	+30°C	+25°C	—	2-4 m/s, S	3.2 mm	76%
17Fri	+30°C	+25°C	—	2-3 m/s, SSE	1.1 mm	76%
18Sat	+31°C	+24°C	—	2-3 m/s, SSE	3.5 mm	74%
19Sun	+32°C	+24°C	—	2 m/s, E	2 mm	70%
20Mon	+31°C	+24°C	—	2-3 m/s, E	0 mm	73%
21Tue	+32°C	+24°C	—	2-3 m/s, SSE	0 mm	71%
22Wed	+32°C	+24°C	—	4-5 m/s, ENE	0.2 mm	72%
23Thu	+32°C	+24°C	—	5-6 m/s, ENE	0 mm	72%
24Fri	+31°C	+24°C	—	5-6 m/s, ENE	0 mm	74%
25Sat	+31°C	+24°C	—	4-5 m/s, ENE	1.3 mm	76%
26Sun	+31°C	+24°C	—	5 m/s, E	1.4 mm	76%
27Mon	+31°C	+24°C	—	4-5 m/s, ENE	0 mm	74%
28Tue	+31°C	+24°C	—	4 m/s, ESE	0.2 mm	77%
29Wed	+30°C	+24°C	—	3 m/s, SE	0.4 mm	78%
30Thu	+32°C	+25°C	—	3 m/s, SE	1.1 mm	76%
31Fri	+31°C	+25°C	—	2-3 m/s, SE	0.4 mm	76%

Weather highs and lows in Cayo Guillermo for may

Warmest day: 6 may, +33°C
Coldest night: 1 may, +23°C
Max precipitation: 18 may, 3.5 mm
Warmest water: —
Coldest water: —

Climate in Cayo Guillermo in may

Year: 2019
Average daytime temperature: +32°C
Average nighttime temperature: +25°C
Water temperature: —
Precipitation (month): 20.3 mm
Days with precipitation: 9
Humidity: 74%
Wind: 3 m/s

Weather in Cayo Guillermo in may by year

Year	Day	Night	Precipitation	Days with precipitation	Water
2025	+34°C	+23°C	2.4 mm	0	+27°C
2024	+33°C	+24°C	18.2 mm	5	—
2023	+33°C	+23°C	15.9 mm	5	—
2022	+32°C	+23°C	33.8 mm	9	—
2021	+31°C	+23°C	21.1 mm	7	—
2020	+31°C	+24°C	39 mm	11	—
2019	+32°C	+25°C	20.3 mm	9	—

Comparison may in Cayo Guillermo with other months

Month	Day	Night	Days with precipitation	Sunny days
January	+28°C	+19°C	0	14
February	+30°C	+20°C	1	15
March	+31°C	+21°C	1	19
April	+32°C	+22°C	2	17
May	+32°C	+24°C	7	9
June	+32°C	+24°C	6	5
July	+33°C	+24°C	6	7
August	+33°C	+25°C	8	5
September	+33°C	+24°C	6	5
October	+31°C	+23°C	5	6
November	+30°C	+21°C	2	9
December	+28°C	+20°C	2	13